-36.83% is the change from 964 to 609
Calculation steps:
[( 609 - 964 ) ÷ 964] x 100 = -36.83%
Formula
Percentage change = [(609 - 964) / 964] x 100
Subtract the new number by the original number
609 - 964 = -355
-355 ÷ 964 = -0.3682572614107884
-0.3682572614107884 x 100 = -36.83%